COMBINED EXCITATION AND PARTIAL SATURATION TO REDUCE INFLOW ENHANCEMENT

结合励磁和部分饱和来减少流入增强

• 批准号: 8362939
• 负责人: MIN HAN
• 金额: $ 1.95万
• 依托单位: STANFORD UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-04-01 至 2012-03-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/8362939
• 关键词: Annual Reports; Funding; Grant; Image; Magnetic Resonance; Morphologic artifacts; National Center for Research Resources; Physiologic pulse; Principal Investigator; Reading; Research; Research Infrastructure; Resources; Signal Transduction; Source; Technology; United States National Institutes of Health; Visit; abstracting; cost

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. Primary support for the subproject and the subproject's principal investigator may have been provided by other sources, including other NIH sources. The Total Cost listed for the subproject likely represents the estimated amount of Center infrastructure utilized by the subproject, not direct funding provided by the NCRR grant to the subproject or subproject staff. Partial saturation of an outer slab can reduce inflow enhancement and pulsatile ghost artifacts by preparing flowing spins to a steady state before entering the imaging slab, while dephasing their signal [1]. However, the partial saturation requires an additional RF pulse and spoilers, increasing TR. Here, we present a short RF pulse that simultaneously excites the imaging slab while partially saturating the outer slab. To read about other projects ongoing at the Lucas Center, please visit http://rsl.stanford.edu/ (Lucas Annual Report and ISMRM 2011 Abstracts)

这个子项目是许多利用资源的研究子项目之一 由NIH/NCRR资助的中心拨款提供。子项目的主要支持 而子项目的主要调查员可能是由其他来源提供的， 包括其它NIH来源。 列出的子项目总成本可能 代表子项目使用的中心基础设施的估计数量， 而不是由NCRR赠款提供给子项目或子项目工作人员的直接资金。 部分饱和的外层板可以减少流入增强和脉动鬼伪影通过准备流动的自旋 在进入成像板之前达到稳定状态，同时使其信号失相[1]。然而，部分饱和 需要额外的射频脉冲和扰流器，从而增加TR。在这里，我们提出了一个短的射频脉冲，同时激发 同时部分地饱和外部板。 要了解卢卡斯中心正在进行的其他项目，请访问http://rsl.stanford.edu/ （卢卡斯年度报告和 ISMRM 2011摘要）